The Viper is a national weapon unknown to outsiders. Unlike ordinary soldiers, he is aloof and upright, but cold-blooded and indifferent. He is only used in battle like a gun. He participated in mission after mission, hiding his humanity and emotions again and again in the mission, but in the end he was still unable to suppress his weakness. . . Viper loses his snap and starts to become vulnerable. But after losing the gun, a deep feeling gradually emerged around him, but this feeling required friendship to be exchanged, and Viper fell into a tangled choice. . . . This article is HE, the relevant knowledge is excellent and absolutely true!